September 2018 3 19 Report

Cześć.Uprośćcie i obliczcie wartość wyrażenia:

a)5x(x - 3)-4(x - 1)=??? Jeżeli x= -2

b) (3x - 5)² - (3 - 2x)=????? Jeżeli x= -1

Czekam na pomoc.Dam naj.


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